package com.qingcheng.dao;

import com.qingcheng.pojo.goods.Brand;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Select;
import tk.mybatis.mapper.common.Mapper;

import java.util.List;
import java.util.Map;

public interface BrandMapper extends Mapper<Brand> {

    /**
     * 根据分类名称查询品牌列表
     * @param categoryName
     * @return
     */
    @Select("SELECT `name`,`image` FROM `tb_brand` WHERE id IN (" +
            "SELECT `brand_id` FROM `tb_category_brand` WHERE `category_id` IN (" +
            " SELECT `id` FROM `tb_category` WHERE `name` = '手机' )) ORDER BY seq")
    public List<Map> findListByCategoryName(@Param("name") String categoryName);
}
